Everything points to the fact that users searching for xml to bww conversion are most likely looking for ways how to best convert music notations from MusicXML format (often just XML) to a special format used by the Bagpipe Music Writer (.bww files).
When it comes to MusicXML format, MuseScore is often the best tool to try it out. It supports BWW format as well, so is pretty much the natural choice how to convert xml to bww.
Updated: January 9, 2024